Dell B5460dn Mono Laser Printer - Manual (Page 136)

2 Pull out the toner cartridge from the printer using the handle.
3 Lift the blue handle, and then pull out the imaging unit from the printer.
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4 Unpack the new imaging unit, and then shake it.
5 Remove all packing material from the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit to direct light for more than 10 minutes.
Extended exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the photoconductor drum. Doing so may affect the print quality of
future print jobs.
Maintaining the printer 136